UsbDkHelper: Query UpperFilters value size before read
UsbDkHelper: Query UpperFilters value size before read

Signed-off-by: Dmitry Fleytman <f50f56ffad4b379c2a89812e98b14900ef87e9ea@redhat.com>

SPICE/win32-usbdk,daynix/UsbDk,daynix/UsbDk,freedesktop-unofficial-mirror/spice__win32__usbdk,freedesktop-unofficial-mirror/spice__win32__usbdk,SPICE/win32-usbdk,freedesktop-unofficial-mirror/spice__win32__usbdk